Home / 79,721,541.88-110,015,726.70-43,052,111.80

Finding the Fourth Proportional to 79,721,541.88, 110,015,726.70 and 43,052,111.80

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Solution

The fourth proportional to 79,721,541.88, 110,015,726.70 and 43,052,111.80 is: 59,411,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,721,541.88 : 110,015,726.70 = 43,052,111.80 : x
  2. Step 2: Convert to fraction form
    79,721,541.88/110,015,726.70 = 43,052,111.80/x
  3. Step 3: Cross multiply
    79,721,541.88x = 110,015,726.70 × 43,052,111.80
  4. Step 4: Simplify right side
    79,721,541.88x = 4,736,409,365,646,645
  5. Step 5: Solve for x
    x = 4,736,409,365,646,645/79,721,541.88
  6. Step 6: Final answer
    x = 59,411,913.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.